OTC Tools OTC 7073A Truck Clutch Alignment Shaft, 1-3/4" OD, 1-1/4" Pilot. Constructed of lightweight fiberglass-reinforced nylon that won't hang up in clutch disc splines. They're rugged and will easily support the weight of heavy pressure plates. Designed for use on heavy-duty single, two-plate, push/pull, manual and self-adjusting clutches. Similar to Ford 308-D002 (D97T-7550-B).